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rockchip: clk: Move all DT decoding to ofdata_to_platdata()

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It is more correct to avoid touching the device tree in the probe() method.
Update the driver to work this way. Also add an error check on grf since if
that fails then we should not use it.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-07-04 11:58:28 -06:00
parent bfeb443e3d
commit 08fd82cf3e
1 changed files with 12 additions and 1 deletions
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13
drivers/clk/clk_rk3288.c
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@ -783,12 +783,22 @@ static struct clk_ops rk3288_clk_ops = {
.set_rate = rk3288_clk_set_rate,
};
static int rk3288_clk_probe(struct udevice *dev)
static int rk3288_clk_ofdata_to_platdata(struct udevice *dev)
{
struct rk3288_clk_priv *priv = dev_get_priv(dev);
priv->cru = (struct rk3288_cru *)dev_get_addr(dev);
return 0;
}
static int rk3288_clk_probe(struct udevice *dev)
{
struct rk3288_clk_priv *priv = dev_get_priv(dev);
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
if (IS_ERR(priv->grf))
return PTR_ERR(priv->grf);
#ifdef CONFIG_SPL_BUILD
rkclk_init(priv->cru, priv->grf);
#endif
@ -820,5 +830,6 @@ U_BOOT_DRIVER(clk_rk3288) = {
.priv_auto_alloc_size = sizeof(struct rk3288_clk_priv),
.ops = &rk3288_clk_ops,
.bind = rk3288_clk_bind,
.ofdata_to_platdata = rk3288_clk_ofdata_to_platdata,
.probe = rk3288_clk_probe,
};